Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini

genus Obovaria Rafinesque, 1819: cladomics

11 Recent valid species (11 total species)

Cladomics pages are experimental — even more so than the rest of this site!

The purpose of the cladomics pages for each genus and family-group level taxon is to provide statistics and references indicating the extent to which published phylogenetic work supports the classification used here.

The Cladomics Summary provides an overview of the number of studies that have included terminal species representing this taxon as well as an indication of how frequently it has been recovered as monophyletic.

Following the summary, the available published clades representing the taxon are listed.

For more information, visit the Cladomics FARQ (frequently asked rhetorical questions) page. Abbreviations for the various statistics are explained on the FARQ!

Cladomics Summary

number of species = 11 (11 total)
analyzed in 25 cladograms in 13 publications
maximum number of terminals in an analysis = 10 (mean = 2.88, median = 1)

Basic Monophyly

number of cladograms that test basic monophyly (i.e., more than 1 included species) = 11
maximum number of included terminals = 10, (mean = 5.27 median = 3)
proportion of cladograms that support basic monophyly = 0.55


Pairwise Cladogram Clustering

The graphs below depict in two dimensions all pair-wise ingroup distances within the cladome. See the Cladmoics FARQ for more information.

PCoA Ordination of Obovaria cladogram distances
PCoA Ordination

NJ Tree of Obovaria cladogram distances
NJ Tree


Cladograms

Inoue et al., 2026 [Publ 4933], fig. 2

** Top Monophyly Cladogram **

cst iT tT bi riS oT roT roS iD
1.000 10 10 8 10 10 10 4 **
Cladomics cladogram Lampsilis Pseudoon Venustaconcha Epioblasma Obovaria retusa Obovaria lumbo Obovaria subrotunda Obovaria unicolor Obovaria choctawensis Obovaria pinetorum Obovaria arkansasensis Obovaria tallahattae Obovaria neeskaensis Obovaria sipseyensis

Campbell & Lydeard, 2026 [Publ 4810], fig. 6-14

** Top Sister-Group Cladogram **

cst iT tT bi riS oT roT roS iD
0.621 5 39 45 5 628 88 27 51.0
Cladomics cladogram Potamilus inflatus Potamilus ohiensis Potamilus amphichaenus Potamilus streckersoni Potamilus fragilis 2 Potamilus leptodon Potamilus fragilis 1 Potamilus metnecktayi Potamilus alatus 3 Potamilus alatus 2 Potamilus purpuratus 2 Potamilus alatus 1 Potamilus purpuratus 1 Villosa villosa Atlanticoncha Cambarunio nebulosus Ligumia Leaunio umbrans Cambarunio taeniatus Cambarunio iris Cambarunio simus Hamiota Pachynaias Sagittunio Ellipsaria Potamilus capax Truncilla Medionidus acutissimus Lemiox Medionidus penicillatus Ptychobranchus Cyprogenia aberti 2 Dromus Cyprogenia stegaria 2 Cyprogenia aberti 1 Cyprogenia stegaria 1 Villosa delumbis Villosa vibex Pseudoon Venustaconcha Epioblasma Obovaria retusa Obovaria choctawensis Obovaria unicolor Obovaria subrotunda Mesonaias Obovaria arkansasensis Lampsilis splendida Lampsilis bracteata Lampsilis fasciola Ortmanniana pectorosa Lampsilis ornata Lampsilis ovata 2 Lampsilis dolabraeformis Lampsilis cardium 2 Lampsilis cardium 1 Lampsilis satura Lampsilis cariosa 2 Lampsilis ovata 1 Lampsilis cariosa 1 Ortmanniana ligamentina 2 Lampsilis abrupta Lampsilis higginsii 2 Ortmanniana ligamentina 1 Lampsilis higginsii 1 Medionidus conradicus Leaunio lienosus Leaunio vanuxemensis Lampsilis floridensis Lampsilis teres Lampsilis siliquoidea 1 Lampsilis siliquoidea 2 Lampsilis powellii 1 Lampsilis powellii 2 Lampsilis sietmani Lampsilis straminea 2 Lampsilis virescens Lampsilis hydiana 2 Lampsilis hydiana 1 Lampsilis bergmanni Lampsilis straminea 1

Inoue et al., 2026 [Publ 4933], fig. 3

cst iT tT bi riS oT roT roS iD
0.833 10 19 17 10 10 10 4 9.0
Cladomics cladogram Lampsilis Obovaria pinetorum Obovaria arkansasensis Obovaria tallahattae Obovaria neeskaensis Obovaria sipseyensis Pseudoon Venustaconcha Epioblasma Obovaria retusa Obovaria subrotunda Obovaria lumbo Obovaria unicolor Obovaria choctawensis

Inoue et al., 2026 [Publ 4933], fig. 5

cst iT tT bi riS oT roT roS iD
0.833 10 13 11 10 10 10 4 3.0
Cladomics cladogram Lampsilis Pseudoon Venustaconcha Obovaria retusa Obovaria subrotunda Obovaria lumbo Obovaria unicolor Obovaria choctawensis Epioblasma Obovaria pinetorum Obovaria arkansasensis Obovaria tallahattae Obovaria neeskaensis Obovaria sipseyensis

Inoue et al., 2013 [Publ 3528], fig. 3

cst iT tT bi riS oT roT roS iD
0.875 7 7 5 7 13 6 6 5.0
Cladomics cladogram Lampsilis Leaunio Villosa Cambarunio Pseudoon Obovaria retusa Obovaria unicolor Obovaria subrotunda Obovaria pinetorum Obovaria sipseyensis Obovaria neeskaensis Obovaria arkansasensis

Campbell et al., 2005 [Publ 2660], fig. 1

cst iT tT bi riS oT roT roS iD
0.840 3 3 1 3 99 40 23 9.0
Cladomics cladogram Toxolasma Obliquaria Cyrtonaias Glebula Potamilus Medionidus acutissimus Lemiox Dromus Cyprogenia Sagittunio Medionidus conradicus Ptychobranchus Venustaconcha ellipsiformis 2 Ellipsaria Truncilla Villosa Pseudoon Venustaconcha ellipsiformis 1 Epioblasma Obovaria unicolor Obovaria arkansasensis Obovaria subrotunda Hamiota Lampsilis cardium Lampsilis ovata Ortmanniana pectorosa Lampsilis ornata Ligumia Cambarunio Lampsilis teres Ortmanniana ligamentina Lampsilis siliquoidea Leaunio

Campbell et al., 2005 [Publ 2660], fig. 2

cst iT tT bi riS oT roT roS iD
0.800 3 3 1 3 99 40 23 9.0
Cladomics cladogram Obliquaria Cyrtonaias Glebula Sagittunio Leaunio Potamilus Hamiota Ellipsaria Truncilla Lampsilis teres Ortmanniana ligamentina Lampsilis siliquoidea Villosa Ligumia Cambarunio Ortmanniana pectorosa Lampsilis ornata Lampsilis cardium Lampsilis ovata Pseudoon Venustaconcha ellipsiformis 2 Epioblasma Obovaria unicolor Obovaria arkansasensis Obovaria subrotunda Ptychobranchus Venustaconcha ellipsiformis 1 Medionidus conradicus Lemiox Medionidus acutissimus Dromus Cyprogenia

Zanatta & Murphy, 2006 [Publ 2672], fig. 1

cst iT tT bi riS oT roT roS iD
0.880 3 3 1 3 53 45 23 9.0
Cladomics cladogram Cyrtonaias Glebula Paetulunio Obliquaria Toxolasma Sagittunio Potamilus Medionidus conradicus Ptychobranchus Medionidus acutissimus Lemiox Dromus Cyprogenia Lampsilis teres Truncilla Ellipsaria Leaunio Hamiota Lampsilis fasciola Ortmanniana pectorosa Lampsilis ornata Lampsilis ovata Lampsilis cardium Lampsilis siliquoidea Ortmanniana ligamentina Cambarunio Ligumia Venustaconcha Epioblasma Pseudoon Obovaria unicolor Obovaria subrotunda Obovaria arkansasensis

Zanatta & Murphy, 2006 [Publ 2672], fig. 2

cst iT tT bi riS oT roT roS iD
0.880 3 3 1 3 54 45 23 9.0
Cladomics cladogram Paetulunio Toxolasma Obliquaria Glebula Cyrtonaias Ptychobranchus Dromus Cyprogenia Medionidus conradicus Medionidus acutissimus Lemiox Sagittunio Potamilus Truncilla Ellipsaria Ortmanniana pectorosa Lampsilis fasciola Lampsilis ornata Lampsilis ovata Lampsilis cardium Ligumia Cambarunio Lampsilis teres Hamiota Leaunio Ortmanniana ligamentina Lampsilis siliquoidea Pseudoon Venustaconcha Epioblasma Obovaria unicolor Obovaria subrotunda Obovaria arkansasensis

Porto-Hannes et al., 2019 [Publ 3969], fig. 2

cst iT tT bi riS oT roT roS iD
0.750 2 3 0 2 16 15 6 9.0
Cladomics cladogram Obliquaria Cambarunio Leaunio Lampsilis teres Ortmanniana Lampsilis hydiana Lampsilis virescens Lampsilis siliquoidea Lampsilis radiata Obovaria arkansasensis Pseudoon Obovaria subrotunda Lampsilis bracteata Lampsilis ornata Lampsilis ovata Lampsilis cardium 3 Lampsilis satura Lampsilis cardium 1 Lampsilis cardium 2

Porto-Hannes et al., 2019 [Publ 3969], fig. 3

cst iT tT bi riS oT roT roS iD
0.625 2 3 0 2 16 15 6 9.0
Cladomics cladogram Lampsilis teres Leaunio Cambarunio Obovaria arkansasensis Pseudoon Obovaria subrotunda Ortmanniana Lampsilis hydiana Lampsilis virescens Lampsilis siliquoidea Lampsilis radiata Lampsilis bracteata Lampsilis ornata Lampsilis ovata Lampsilis cardium 3 Lampsilis satura Lampsilis cardium 1 Lampsilis cardium 2

Smith et al., 2019 [Publ 3951], fig. 2

cst iT tT bi riS oT roT roS iD
0.905 1 1 0 1 40 35 19 --
Cladomics cladogram Obliquaria Medionidus Lemiox Cyprogenia Ptychobranchus Potamilus Atlanticoncha Ellipsaria Truncilla Hamiota Villosa Ligumia Venustaconcha Obovaria subrotunda Epioblasma Ortmanniana pectorosa Ortmanniana ligamentina Lampsilis

Burlakova et al., 2019 [Publ 3899], fig. 1

cst iT tT bi riS oT roT roS iD
0.895 1 1 0 1 32 25 17 --
Cladomics cladogram Toxolasma Potamilus Ellipsaria Truncilla Medionidus Lemiox Dromus Cambarunio Leaunio Villosa Sagittunio Lampsilis ovata Venustaconcha Epioblasma Obovaria unicolor Lampsilis teres Lampsilis siliquoidea Lampsilis hydiana Lampsilis straminea

Campbell & Lydeard, 2012 [Publ 3309], fig. 1-2

cst iT tT bi riS oT roT roS iD
0.846 1 1 0 1 72 14 11 --
Cladomics cladogram Potamilus alatus Potamilus capax Glebula Toxolasma Paetulunio Dromus Lemiox Lampsilis ovata Obliquaria Lampsilis virescens Epioblasma Obovaria arkansasensis Pseudoon Venustaconcha

Campbell & Lydeard, 2012 [Publ 3309], fig. 3

cst iT tT bi riS oT roT roS iD
0.846 1 1 0 1 72 14 11 --
Cladomics cladogram Obliquaria Potamilus Dromus Lemiox Lampsilis ovata Lampsilis virescens Epioblasma Obovaria arkansasensis Pseudoon Venustaconcha

Inoue et al., 2018 [Publ 3858], fig. 1_3a-c

cst iT tT bi riS oT roT roS iD
0.700 1 1 0 1 104 10 8 --
Cladomics cladogram Dromus Epioblasma Glebula Lampsilis ovata Lampsilis virescens Lemiox Obliquaria Pseudoon Obovaria unicolor Plectomerus Potamilus alatus Potamilus capax

Campbell & Lydeard, 2012 [Publ 3308], fig. 1

cst iT tT bi riS oT roT roS iD
0.833 1 1 0 1 41 4 4 --
Cladomics cladogram Lemiox Lampsilis Obovaria unicolor Pseudoon

Campbell & Lydeard, 2012 [Publ 3308], fig. 2

cst iT tT bi riS oT roT roS iD
0.833 1 1 0 1 41 4 4 --
Cladomics cladogram Lemiox Lampsilis Obovaria unicolor Pseudoon

Campbell & Lydeard, 2012 [Publ 3308], fig. 3

cst iT tT bi riS oT roT roS iD
0.833 1 1 0 1 42 4 4 --
Cladomics cladogram Obovaria unicolor Pseudoon Lampsilis Lemiox

Campbell & Lydeard, 2012 [Publ 3308], fig. 4

cst iT tT bi riS oT roT roS iD
0.833 1 1 0 1 41 4 4 --
Cladomics cladogram Lemiox Lampsilis Obovaria unicolor Pseudoon

Lydeard et al., 2000 [Publ 2654], fig. 2a

cst iT tT bi riS oT roT roS iD
1.000 1 1 0 1 13 2 2 --
Cladomics cladogram Lampsilis Obovaria unicolor Pseudoon

Lydeard et al., 2000 [Publ 2654], fig. 2b

cst iT tT bi riS oT roT roS iD
1.000 1 1 0 1 13 2 2 --
Cladomics cladogram Lampsilis Obovaria unicolor Pseudoon

Lydeard et al., 2000 [Publ 2654], fig. 2c

cst iT tT bi riS oT roT roS iD
1.000 1 1 0 1 13 2 2 --
Cladomics cladogram Obovaria unicolor Pseudoon Lampsilis

Lydeard et al., 2000 [Publ 2654], fig. 2d

cst iT tT bi riS oT roT roS iD
1.000 1 1 0 1 13 2 2 --
Cladomics cladogram Lampsilis Obovaria unicolor Pseudoon

Wu et al., 2018 [Publ 3836], fig. 2

cst iT tT bi riS oT roT roS iD
1.000 1 1 0 1 52 0 0 --
Cladomics cladogram Amblema Obovaria arkansasensis